Lecture 3: Multiple Regression Model - McCombs School of Business
Lecture 3: Multiple Regression Model - McCombs School of Business
Lecture 3: Multiple Regression Model - McCombs School of Business
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The Data and Least Squares<br />
Y = β 0 + β 1 X 1 . . . + β d X d + ε, ε ∼ N(0, σ 2 )<br />
How do we estimate the MLR model parameters?<br />
The principle <strong>of</strong> Least Squares is exactly the same as before:<br />
◮ Define the fitted values<br />
◮ Find the best fitting plane by minimizing the sum <strong>of</strong> squared<br />
residuals.<br />
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